richtriumphnut Posted September 11, 2006 Share Posted September 11, 2006 i am needing to upgrade my diff soon to be able to handle 380bhp+in my 2500i currently have a stag diff in running a rover v8 though stag box, but now seek a more durable slip diff to handle the power of my new engine. i have been told that bmw diff's fit striaght in with limited welding.i have found this site but prices are sky high http://www.monarch-stags.co.uk/index.htmlanyone know what diffs these are, i'm guessing e30 any mods need to?all help greatfullrich Link to comment Share on other sites More sharing options...
itiejim Posted September 11, 2006 Share Posted September 11, 2006 It looks like an E36 one. I bought one (limitited slipper from a '96 M3) for my Spitty but it was just toooooo big for that. Got it on eBay for about £70 (though it had been listed wrong). It will certainly put up with the grunt. Link to comment Share on other sites More sharing options...
richtriumphnut Posted September 11, 2006 Author Share Posted September 11, 2006 do you still have it, also did it look to resemble a stag diff?cheersrich Link to comment Share on other sites More sharing options...
Roger Keys Posted September 11, 2006 Share Posted September 11, 2006 Have you considered a TVR diff (btr) also used on Vauxhall Monaros.These will take an easy 500bhp, are quite compact and should be easyish to mount.They hang from 4 bolts mounted vertically and are fitted with a (average) LSD.I've considered the possibility for if/when i ditch my rover V8 for a chevy LS1.What were you going to do re the trailing arms? You rlikely to rip the studs out with that kind of power. Can i ask what the engine is? Link to comment Share on other sites More sharing options...
richtriumphnut Posted September 11, 2006 Author Share Posted September 11, 2006 i am fitting a race preped tvr 5.0 engine serpentine, i have been advised to put all bmw running gear in but need to find out what. as for the tvr diff it did cross my mind but if this bmw stuff is bolt in and same if not better ratios than tvr why modifie what i have?rich Link to comment Share on other sites More sharing options...
Roger Keys Posted September 11, 2006 Share Posted September 11, 2006 Can't really help much with the BMW stuff, but its not really bolt in. Bit of fabrication required. Plenty of diff ratios available for the TVR diff - i know i change the ratios quite often on Monaros.Sounds like an interesting project though. Be interesting to see when it is done. Link to comment Share on other sites More sharing options...
richtriumphnut Posted September 11, 2006 Author Share Posted September 11, 2006 hoping to start it in the next month, the engine was build for the Tuscan Challenge and as a tvr owner its got every mod possible on n/a. might look to supercharge in the future but will get stage 1 done first. i will look into tvr diffs and bmw and see what fairs best and best value to.though me and dave would like to see how long the stag diff will last? might be interesting!i did look at a ls1 as you can buy these with serious standard grunt but stayed british in the end. if i were to replace my engine on the griff though i would more than likely ordered on of those.rich Link to comment Share on other sites More sharing options...
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